{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "discover vulnerability", "trigger": true, "arguments": ["common vulnerabilities and exposures", "vulnerable system", "capabilities", "time", "vulnerable system owner", "vulnerability", "discoverer", "supported platform", "vulnerable system version"]}, {"event_type": "patch vulnerability", "trigger": true, "arguments": ["releaser", "time", "supported platform", "issues addressed", "vulnerability", "vulnerable system version", "patch number", "vulnerable system"]}, {"event_type": "data breach", "trigger": true, "arguments": ["attacker", "tool", "number of data", "purpose", "damage amount", "number of victim", "attack pattern", "time", "place"]}, {"event_type": "phishing", "trigger": true, "arguments": ["place", "tool", "attack pattern", "trusted entity", "purpose", "attacker", "damage amount", "time", "victim"]}, {"event_type": "ransom", "trigger": true, "arguments": ["place", "victim", "damage amount", "payment method", "time", "tool", "attacker", "attack pattern", "price"]}], "input": "A screenshot reveals the hackers ’ demands : 0.8 Bitcoins for each seized computer , or six bitcoins to unlock all computers held hostage , equaling to around $ 51,000 in real cash ."}
{"discover vulnerability": [], "patch vulnerability": [], "data breach": [], "phishing": [], "ransom": [{"trigger": "demands", "arguments": {"place": "NAN", "victim": ["computers", "seized computer"], "damage amount": "NAN", "payment method": "NAN", "time": "NAN", "tool": "NAN", "attacker": "hackers", "attack pattern": "held hostage", "price": ["six bitcoins", "0.8 Bitcoins", "$ 51,000"]}}]}